n.暴跳；乱撞；恐吓
动词ramp的现在分词.
The children were ramping about in the backyard, making a lot of noise. 孩子们在后院哄闹，发出很响的喧哗声。
图象压缩
n.不定期运输；不定航线运输
动词tramp的现在分词形式.
